Carbureting apparatus for internal-combustion engines.



J. S. STROUSE.

TBRNAL COMBUSTION ENGINES. APPLICATION rum) JAN. 9, 1913.

ARBURETING ZPPARATUS FOR IN Patented Mar. 31, 1914.

IN REA 70!? Jib? km UNITED STATES PATE ToFFIoE.

JAY s. srnoosn, or BALTIMORE; MARYLAND, ASSIGNOR or oNE-HALF Tocniumns E. TRACE, or BALTIMORE, MARYLAND.

CARBURETI'NG APPARATUS FOR INTERNAL-COMBUSTION ENGINES.

To all 1.6710111 it may concern. I

Be it known that l, JAY S. S'rnohsn, a citizen of the United States, residing at Baltimorc, Maryland, have invented certain "internallcombustion engine, would have a.

decided advantage not only from a monetary point of view, but also from the fact that for a common volume of the two fluids, the herosome would, with practically perfect combus .tion, develop more power than gasolene, aresult due to, the greater number of unlts of heat-contained therein. But as kerosene re-' quires 'a: higher degree of heat for its va-- porizatidn, considerable dillicultyis ex-- perienced in its practical use, and particularly in the act of starting the engine.

Various devices and apparatus have been. constructedto obviate the difficulty above stated, and the 'present invention as hereinafter described, is for that purpose.

In the description of the present invention which follows, reference is made to the accompanying drawing which is a sectional view of such parts of a carburcting apparatus-for an internal combustion engine of an automobile, as are involved in the invention. g

Referring now to the said drawing, 1 is a. float chamber adapted to containa hydrocarbon at a predetermined height or level which. is maii'itained bypncans of a float.2 secured to the stem 3 the lower end ofwhich is pointed to form a. valve 4. The valve 4 controls a, passage 5 communicating with a. lower e (tension 9 of the vfloat chamber,- 'which extension is supplied with kerosene through a pipe the end only of which is shown and denoted by 7.

10 is a cock whereby water collecting in the extension 9 can be drawn ofl'.

The float 2 is weighted to give it the desired flotation, by means of the weighted levers l2 fulcrumed to lugs on the bonnet of the float chamber, thesho'rter arms of which levers rest in a groove in the collar 14: which issusceptible of an'up-and-down movement on the stem 3. The bonnet of the float poses enters thewater jacket.- 20 through chamber is held inplace by means of a plate spring 15 which is pivotcd'to any fixedpart of the apparatus,

At one side of the float chamber 1,'and formed as a part. thereof, is ashell 17 .containing among other devices hereinafter described' thc mixing chamber l9 having a water jacket 20., ater for heating purthe pipe-21, and cspapesthrough' the pipe 22. Below the lower end of the mixing chamberv 179, tl 1 e shell H is bored transYcrscly and in the cylindrical opening thereby produced and with which the mixing chamber is in conmmnicatioi'i, isf'placedv the valve, which Specification'of Letters Patent. Patented D131, 31 1914, Application filed January 9,.1s1a.. Serial o. 740,914. 7 i

controls the admission of'atn ospheric airto the said chamber, but which valve. as its construction is well known," and..-forms no part of the present invention, is-not shown.

.24 is an openfspacc extending laterallythrough the shell 17, and 25 an opening leading from the said space to the interior of the cylindrical valve opening 26, to admit air to the interior of the "alvc for admixture with the vapor of hydrocarbon introduced into the valve in a manner hereinafter described. 27 is a vertical tubular plug screwed nto the material of the shell 17,.t'he 'llllCl'lOl' of which 'is in: communication with that of the float chamber by means of the duct 29,, in order that kerosene in the plug will rise to the level of that in the float chamber. The body of kerosene is denoted by 30.

31 is a horizontal passage in the material of the shell 17 having a vertical extension 39 the upper end of which is stopped by the tubular plug 33. 1 The passage 31, its extension 32, and interior of the-tubular plug 33. are all in communication with the float chamber through the medium of the aperture 34 .in the wall of the tubular plug 27, and in consequence, there is-a. common level of fluid throughout the apparatus when the engine is not in operation. The interior of .i'he vertical tubular plug 33 isalso in comshell 17 is bored, and provided with the screw stopper 39. The vertical extension 32 of the passage 31, at a-point above the level of the-fluid, is open to. the outer air through the lateral opening'40 the extremi-.

ties of which are covered with gage disks.

The apparatus as above described is-well known in the, art, and forms no part of the present invention. Y

42 is a tubular shell which surrounds the upper portion of the tubular plug '27, having such internal diameter as to provide an annular space 43 around the said plug, in which fluid rises to the common level; and around this device is placed the annular closed jacket 45 formed of some electric-insulating material, such as porcelain, in which is placed an electrically heated coil 47in contact with the tubular shell 42. The

tubular shell 42 is preferably closed at its end, and provided with the lateral 'ape rtures 49 which serve to distribute the vapor within the valve, and thereby facilitate its mixing with air entering the valve through the opening 95.

The primary function of'the heating coil 47, is to vaporize a limited quantity of fluid in the annular space 43 around the upper portion of the tubular plug 27, and adapt it to enter the valve which is supplied with air by means hercinbefore described, and also retain it in a combustible condition and available at alltimes to start the engine by what is generally termed-the cranking operation. v

It will be unoerstood that'by heating the upper stratum of an annular body of kerosene of a limited transverse area, its'vaporization can be easily accomplishedby the employment ofthc heating coil 47, and that a hydrocarbon having a much greater density than gasolene can be substituted for the latter fluid, and the advantagesarising for such substitution availed of.

It will be seen by reference to thedrawing, that the heated jacket 45 extends considerably above the level of the hydrocarbon in the plug 27, and the annular space which surrounds the same. ,This construction is fur the purpose of heating the vapor arising from the fluid, and preventing to a certain degree, its condensation or return to a liquid form. a change to which it is particularly liable when a heavy body of hydro.- varbon-such as kerosene is used.

Supposing the engine to be at rest and the heated vapor arising from the kerosenein the annularspace 43 to be passing to the the air, and the cranking operation to be commenced, the first upward stroke of the engine, causes the entire body .ofheated vapor in the annular space 43 to be drawn 'the result that there is immediately formed in the valve and "the mixing chamber, an eXplosivdmiXture of vapor and air which upon being ignited by the sparking appliances, causes the initial operation of the engine. I

- It will be understood that the starting operation just described is mainly due to the concentration of heat from the coil 47 upon a limited quantity of -fluid in the annular space 43, and the vapor arising therefrom, and the holding in reserve of a body of vapor which when the engine is motionless,

is continuously passing into the valve, and mixing with atmosphcricair therein, thus establishing a condition which only requires a limited upward movement of the engine piston to efiect the entrance of more air, to produce a mixture adapted for ignition to elfect the operation of-the engine,

I claim as my invention 1. In a carbureting a )paratus, the tubular plug which conveys hy rocarbon tothe mixing chamber of the apparatus, combined with a tubularshell open at the top, which surrounds the plug, the said shell having an internal diameter greater than the exterioi' diameter of the plug, whereby an annular. fluid-receiving and holding. space around the f plug is produced, and an electrically heated coil which surrounds the said tubular shell, to conduct heat to the said shell and thence to the fluid within the said annular space.

i. In a carbureting apparatus, the tubular lug which conveys hydrocarbon fluid to the mixing chamber'of the apparatus, combined with a tubular shell open at the top, which surrounds the plug, the saidshell having an the said annular space, and an electric-inswlating jacket whichsurroundslthe heating interior of the valve where it is mixed with 'WM. T. HowARo, SARAH Sono'rTA; 

